Answers

Add 20/42 and 90/36

1^st number: 20/42, 2^nd number: 2 18/36

20/42 + 90/36 is 125/42.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 42 and 36 is 252
   
   Next, find the equivalent fraction of both fractional numbers with denominator 252
2. For the 1st fraction, since 42 × 6 = 252,
   20/42 = 20 × 6/42 × 6 = 120/252
3. Likewise, for the 2nd fraction, since 36 × 7 = 252,
   90/36 = 90 × 7/36 × 7 = 630/252
4. Add the two like fractions:
   120/252 + 630/252 = 120 + 630/252 = 750/252
5. 750/252 simplified gives 125/42
6. So, 20/42 + 90/36 = 125/42
   In mixed form: 241/42

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